<template>
  <!-- 头部部分 -->
  <header class="header">
    <h1>todos</h1>
    <input
      class="new-todo"
      placeholder="请输入任务名称"
      autofocus
      v-model="todoName"
      @keyup.enter="addList"
    />
  </header>
</template>
 
<script>
export default {
  data() {
    return {
      todoName: ''
    }
  },
  methods: {
    addList() {
      this.$emit('add', this.todoName)
      this.todoName = ''
    }
  }
}
</script>

<style scoped>
</style>